After deploying our Cisco WSA – IronPort, Wwindows and Adobe updates and were prevented. This include the ability for Windows to retrieve print drivers from Microsoft.
This is primarily because we require authentication for all users accessing the internet.
I added the following URLs to a white list we have created.
download.windowsupdate.com
.windowsupdate.microsoft.com
.update.microsoft.com
.download.windowsupdate.com
update.microsoft.com
.windowsupdate.com
download.microsoft.com
windowsupdate.microsoft.com
ntservicepack.microsoft.com
wustat.windows.com
c.microsoft.com
Additionally, I created a